condition mean min max 4 h after light 0.5965605 0.400631 0.79249 8 h after light 0.5320355 0.298436 0.765635 12 h after light 1.0541405 0.889631 1.21865 4 h after dark 1.2324606666666666 0.895022 1.57366 8 h after dark 1.4237166666666667 1.20097 1.72177 12 h after dark 0.587953 0.378675 0.787291